Power supply



FIG. 1 is a top plan view of the power supply of the present invention;

FIG. 2 is a bottom plan view of the power supply of the present invention;

FIG. 3 is a right side view of the power supply of the present invention;

FIG. 4 is a left side view of the power supply of the present invention;

FIG. 5 is a back view of the power supply of the present invention;

FIG. 6 is a front view of the power supply of the present invention;

FIG. 7 is a bottom right side view of the power supply of the present invention;

FIG. 8 is a bottom left side view of the power supply of the present invention;

FIG. 9 is a bottom back side view of the power supply of the present invention; and,

FIG. 10 is a bottom front side view of the power supply of the present invention. 

The ornamental design for a power supply, as shown. 